In addition to these public debacles, the developer-turned-showman-turned-politician has envisioned at least three of the world’s tallest buildings in New York over the years, which makes sense for a man who glories in superlatives and for whom every project is a flamboyant gesture. In honor of the Donald’s never-ending presence, 6sqft decided to take a look at these never-realized, sky-high proposals, which include the New York Stock Exchange Tower, Television City Tower, and 10 Columbus Circle.